Change --tik so that it can be invoked multiple times to specify a list of ticket files. Additionally added support for hactool title.keys

src/KeyBag.cpp

@@ -12,19 +12,24 @@
 #include <pietendo/hac/es/CertificateBody.h>
 #include <pietendo/hac/es/TicketBody_V2.h>
 
-nstool::KeyBagInitializer::KeyBagInitializer(bool isDev, const tc::Optional<tc::io::Path>& keyfile_path, const tc::Optional<tc::io::Path>& tik_path, const tc::Optional<tc::io::Path>& cert_path)
+nstool::KeyBagInitializer::KeyBagInitializer(bool isDev, const tc::Optional<tc::io::Path>& keyfile_path, const tc::Optional<tc::io::Path>& titlekeyfile_path, const std::vector<tc::io::Path>& tik_path_list, const tc::Optional<tc::io::Path>& cert_path)
 {
 	if (keyfile_path.isSet())
 	{
 		importBaseKeyFile(keyfile_path.get(), isDev);
 	}
+	if (titlekeyfile_path.isSet())
+	{
+		importTitleKeyFile(titlekeyfile_path.get());
+	}
 	if (cert_path.isSet())
 	{
 		importCertificateChain(cert_path.get());
 	}
-	if (tik_path.isSet())
+	if (!tik_path_list.empty())
 	{
-		importTicket(tik_path.get());
+		for (auto itr = tik_path_list.begin(); itr != tik_path_list.end(); itr++)
+			importTicket(*itr);
 	}
 
 	// this will populate known keys if they aren't supplied by the user provided keyfiles.
@@ -447,7 +452,39 @@ void nstool::KeyBagInitializer::importBaseKeyFile(const tc::io::Path& keyfile_pa
 
 void nstool::KeyBagInitializer::importTitleKeyFile(const tc::io::Path& keyfile_path)
 {
+	std::shared_ptr<tc::io::FileStream> keyfile_stream = std::make_shared<tc::io::FileStream>(tc::io::FileStream(keyfile_path, tc::io::FileMode::Open, tc::io::FileAccess::Read));
 
+	// import keyfile into a dictionary
+	std::map<std::string, std::string> keyfile_dict;
+	processResFile(keyfile_stream, keyfile_dict);
+
+	// process title keys
+	tc::ByteData tmp;
+	KeyBag::rights_id_t rights_id_tmp;
+	KeyBag::aes128_key_t title_key_tmp;
+	for (auto itr = keyfile_dict.begin(); itr != keyfile_dict.end(); itr++)
+	{
+		//fmt::print("RightsID[{:s}] = TitleKey[{:s}]\n", itr->first, itr->second);
+
+		// parse the rights id
+		tmp = tc::cli::FormatUtil::hexStringToBytes(itr->first);
+		if (tmp.size() != rights_id_tmp.size())
+		{
+			throw tc::ArgumentException("nstool::KeyBagInitializer", "RightsID: \"" + itr->first + "\" has incorrect length");
+		}
+		memcpy(rights_id_tmp.data(), tmp.data(), rights_id_tmp.size());
+
+		// parse the title key
+		tmp = tc::cli::FormatUtil::hexStringToBytes(itr->second);
+		if (tmp.size() != title_key_tmp.size())
+		{
+			throw tc::ArgumentException("nstool::KeyBagInitializer", "TitleKey for \""+ itr->first + "\": \"" + itr->second + "\" has incorrect length");
+		}
+		memcpy(title_key_tmp.data(), tmp.data(), title_key_tmp.size());
+
+		// save to encrypted key dict
+		external_enc_content_keys[rights_id_tmp] = title_key_tmp;
+	}
 }
 
 void nstool::KeyBagInitializer::importCertificateChain(const tc::io::Path& cert_path)
@@ -551,10 +588,7 @@ void nstool::KeyBagInitializer::importTicket(const tc::io::Path& tik_path)
 		memcpy(enc_title_key.data(), tik.getBody().getEncTitleKey(), enc_title_key.size());
 
 		// save the encrypted title key as the fallback enc content key incase the ticket was malformed and workarounds to decrypt it in isolation fail
-		if (fallback_enc_content_key.isNull())
+		external_enc_content_keys[rights_id] = enc_title_key;
-		{
-			fallback_enc_content_key = enc_title_key;
-		}
 
 		// determine key to decrypt title key
 		byte_t common_key_index = tik.getBody().getCommonKeyId();
@@ -581,7 +615,7 @@ void nstool::KeyBagInitializer::importTicket(const tc::io::Path& tik_path)
 		aes128_key_t dec_title_key;
 		tc::crypto::DecryptAes128Ecb(dec_title_key.data(), enc_title_key.data(), sizeof(aes128_key_t), etik_common_key[common_key_index].data(), sizeof(aes128_key_t));
 
-		// add to key dict
+		// add to decrypted key dict
 		external_content_keys[rights_id] = dec_title_key;
 		
 	}

src/KeyBag.h

@@ -39,6 +39,7 @@ struct KeyBag
 
 	// external content keys (nca<->ticket)
 	std::map<rights_id_t, aes128_key_t> external_content_keys;
+	std::map<rights_id_t, aes128_key_t> external_enc_content_keys; // encrypted content key list to be used when external_content_keys does not have the required content key (usually taken raw from ticket)
 	tc::Optional<aes128_key_t> fallback_enc_content_key; // encrypted content key to be used when external_content_keys does not have the required content key (usually taken raw from ticket)
 	tc::Optional<aes128_key_t> fallback_content_key; // content key to be used when external_content_keys does not have the required content key (usually already decrypted from ticket)
 
@@ -70,7 +71,7 @@ struct KeyBag
 class KeyBagInitializer : public KeyBag
 {
 public:
-	KeyBagInitializer(bool isDev, const tc::Optional<tc::io::Path>& keyfile_path, const tc::Optional<tc::io::Path>& tik_path, const tc::Optional<tc::io::Path>& cert_path);
+	KeyBagInitializer(bool isDev, const tc::Optional<tc::io::Path>& keyfile_path, const tc::Optional<tc::io::Path>& titlekeyfile_path, const std::vector<tc::io::Path>& tik_path_list, const tc::Optional<tc::io::Path>& cert_path);
 private:
 	KeyBagInitializer();
 

src/NcaProcess.cpp

@@ -176,6 +176,15 @@ void nstool::NcaProcess::generateNcaBodyEncryptionKeys()
 		{
 			mContentKey.aes_ctr = mKeyCfg.fallback_content_key.get();
 		}
+		else if (mKeyCfg.external_enc_content_keys.find(mHdr.getRightsId()) != mKeyCfg.external_enc_content_keys.end())
+		{
+			tmp_key = mKeyCfg.external_enc_content_keys[mHdr.getRightsId()];
+			if (mKeyCfg.etik_common_key.find(masterkey_rev) != mKeyCfg.etik_common_key.end())
+			{
+				pie::hac::AesKeygen::generateKey(tmp_key.data(), tmp_key.data(), mKeyCfg.etik_common_key[masterkey_rev].data());
+				mContentKey.aes_ctr = tmp_key;
+			}
+		}
 		else if (mKeyCfg.fallback_enc_content_key.isSet())
 		{
 			tmp_key = mKeyCfg.fallback_enc_content_key.get();

src/Settings.cpp

@@ -260,6 +260,40 @@ private:
 	std::vector<std::string> mOptRegex;
 };
 
+class SingleParamPathArrayOptionHandler : public tc::cli::OptionParser::IOptionHandler
+{
+public:
+	SingleParamPathArrayOptionHandler(std::vector<tc::io::Path>& param, const std::vector<std::string>& opts) : 
+		mParam(param),
+		mOptStrings(opts),
+		mOptRegex()
+	{}
+
+	const std::vector<std::string>& getOptionStrings() const
+	{
+		return mOptStrings;
+	}
+
+	const std::vector<std::string>& getOptionRegexPatterns() const
+	{
+		return mOptRegex;
+	}
+
+	void processOption(const std::string& option, const std::vector<std::string>& params)
+	{
+		if (params.size() != 1)
+		{
+			throw tc::ArgumentOutOfRangeException(fmt::format("Option \"{:s}\" requires a parameter.", option));
+		}
+
+		mParam.push_back(params[0]);
+	}
+private:
+	std::vector<tc::io::Path>& mParam;
+	std::vector<std::string> mOptStrings;
+	std::vector<std::string> mOptRegex;
+};
+
 class FileTypeOptionHandler : public tc::cli::OptionParser::IOptionHandler
 {
 public:
@@ -504,7 +538,7 @@ nstool::SettingsInitializer::SettingsInitializer(const std::vector<std::string>&
 	mVerbose(false),
 	mNcaEncryptedContentKey(),
 	mNcaContentKey(),
-	mTikPath(),
+	mTikPathList(),
 	mCertPath()
 {
 	// parse input arguments
@@ -532,29 +566,16 @@ nstool::SettingsInitializer::SettingsInitializer(const std::vector<std::string>&
 	// locate key file, if not specfied
 	if (mKeysetPath.isNull())
 	{
-		std::string home_path_str;
+		loadKeyFile(mKeysetPath, opt.is_dev ? "dev.keys" : "prod.keys", "Maybe specify it with \"-k <path>\"?\n");
-		if (tc::os::getEnvVar("HOME", home_path_str) || tc::os::getEnvVar("USERPROFILE", home_path_str))
+	}
+	// locate title key file, if not specfied
+	if (mTitleKeysetPath.isNull())
 	{
-			tc::io::Path keyfile_path = tc::io::Path(home_path_str);
+		loadKeyFile(mTitleKeysetPath, "title.keys", "");
-			keyfile_path.push_back(".switch");
-			keyfile_path.push_back(opt.is_dev ? "dev.keys" : "prod.keys");
-
-			try {
-				tc::io::FileStream test = tc::io::FileStream(keyfile_path, tc::io::FileMode::Open, tc::io::FileAccess::Read);
-				
-				mKeysetPath = keyfile_path;
-			}
-			catch (tc::io::FileNotFoundException&) {
-				fmt::print("[WARNING] Failed to load \"{}\" keyfile. Maybe specify it with \"-k <path>\"?\n", opt.is_dev ? "dev.keys" : "prod.keys");
-			}
-		}
-		else {
-			fmt::print("[WARNING] Failed to located \"{}\" keyfile. Maybe specify it with \"-k <path>\"?\n", opt.is_dev ? "dev.keys" : "prod.keys");
-		}
 	}
 
 	// generate keybag
-	opt.keybag = KeyBagInitializer(opt.is_dev, mKeysetPath, mTikPath, mCertPath);
+	opt.keybag = KeyBagInitializer(opt.is_dev, mKeysetPath, mTitleKeysetPath, mTikPathList, mCertPath);
 	opt.keybag.fallback_enc_content_key = mNcaEncryptedContentKey;
 	opt.keybag.fallback_content_key = mNcaContentKey;
 
@@ -618,9 +639,10 @@ void nstool::SettingsInitializer::parse_args(const std::vector<std::string>& arg
 
 	// get user-provided keydata
 	opts.registerOptionHandler(std::shared_ptr<SingleParamPathOptionHandler>(new SingleParamPathOptionHandler(mKeysetPath, {"-k", "--keyset"})));
+	//opts.registerOptionHandler(std::shared_ptr<SingleParamPathOptionHandler>(new SingleParamPathOptionHandler(mTitleKeysetPath, {"--titlekeyset"})));
 	opts.registerOptionHandler(std::shared_ptr<SingleParamAesKeyOptionHandler>(new SingleParamAesKeyOptionHandler(mNcaEncryptedContentKey, {"--titlekey"})));
 	opts.registerOptionHandler(std::shared_ptr<SingleParamAesKeyOptionHandler>(new SingleParamAesKeyOptionHandler(mNcaContentKey, {"--contentkey", "--bodykey"})));
-	opts.registerOptionHandler(std::shared_ptr<SingleParamPathOptionHandler>(new SingleParamPathOptionHandler(mTikPath, {"--tik"})));
+	opts.registerOptionHandler(std::shared_ptr<SingleParamPathArrayOptionHandler>(new SingleParamPathArrayOptionHandler(mTikPathList, {"--tik"})));
 	opts.registerOptionHandler(std::shared_ptr<SingleParamPathOptionHandler>(new SingleParamPathOptionHandler(mCertPath, {"--cert"})));
 
 	// code options
@@ -967,6 +989,30 @@ void nstool::SettingsInitializer::dump_rsa_key(const KeyBag::rsa_key_t& key, con
 	}
 }
 
+void nstool::SettingsInitializer::loadKeyFile(tc::Optional<tc::io::Path>& keyfile_path, const std::string& keyfile_name, const std::string& cli_hint)
+{
+	std::string home_path_str;
+	if (tc::os::getEnvVar("HOME", home_path_str) || tc::os::getEnvVar("USERPROFILE", home_path_str))
+	{
+		tc::io::Path tmp_path = tc::io::Path(home_path_str);
+		tmp_path.push_back(".switch");
+		tmp_path.push_back(keyfile_name);
+
+		try {
+			tc::io::FileStream test = tc::io::FileStream(tmp_path, tc::io::FileMode::Open, tc::io::FileAccess::Read);
+			
+			keyfile_path = tmp_path;
+		}
+		catch (tc::io::FileNotFoundException&) {
+			fmt::print("[WARNING] Failed to load \"{}\" keyfile.{}\n", keyfile_name, cli_hint);
+		}
+	}
+	else {
+		fmt::print("[WARNING] Failed to locate \"{}\" keyfile.{}\n", keyfile_name, cli_hint);
+	}
+	
+}
+
 
 bool nstool::SettingsInitializer::determineValidNcaFromSample(const tc::ByteData& sample) const
 {

src/Settings.h

@@ -136,11 +136,15 @@ private:
 	bool mVerbose;
 
 	tc::Optional<tc::io::Path> mKeysetPath;
+	tc::Optional<tc::io::Path> mTitleKeysetPath;
 	tc::Optional<KeyBag::aes128_key_t> mNcaEncryptedContentKey;
 	tc::Optional<KeyBag::aes128_key_t> mNcaContentKey;
-	tc::Optional<tc::io::Path> mTikPath;
+	std::vector<tc::io::Path> mTikPathList;
+	//tc::Optional<tc::io::Path> mTikPath;
 	tc::Optional<tc::io::Path> mCertPath;
 
+	void loadKeyFile(tc::Optional<tc::io::Path>& keyfile_path, const std::string& keyfile_name, const std::string& cli_hint);
+
 	bool determineValidNcaFromSample(const tc::ByteData& raw_data) const;
 	bool determineValidEsCertFromSample(const tc::ByteData& raw_data) const;
 	bool determineValidEsTikFromSample(const tc::ByteData& raw_data) const;